Electric fan



FIG. 1, a right view of an electric fan.

FIG. 2, a front view thereof.

FIG. 3, a left view thereof.

FIG. 4, a top view thereof.

FIG. 5, a bottom view thereof.

FIG. 6, a rear view thereof; and,

FIG. 7, a perspective view thereof. 

The ornamental design for an electric fan, as shown. 